diff options
Diffstat (limited to 'net/dsa')
| -rw-r--r-- | net/dsa/tag_sja1105.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c index 398e2b9a1b96..ad105550b145 100644 --- a/net/dsa/tag_sja1105.c +++ b/net/dsa/tag_sja1105.c @@ -254,6 +254,20 @@ static struct sk_buff return skb; } +static void sja1105_decode_subvlan(struct sk_buff *skb, u16 subvlan) +{ + struct dsa_port *dp = dsa_slave_to_port(skb->dev); + struct sja1105_port *sp = dp->priv; + u16 vid = sp->subvlan_map[subvlan]; + u16 vlan_tci; + + if (vid == VLAN_N_VID) + return; + + vlan_tci = (skb->priority << VLAN_PRIO_SHIFT) | vid; + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tci); +} + static struct sk_buff *sja1105_rcv(struct sk_buff *skb, struct net_device *netdev, struct packet_type *pt) @@ -263,6 +277,7 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb, struct ethhdr *hdr; u16 tpid, vid, tci; bool is_link_local; + u16 subvlan = 0; bool is_tagged; bool is_meta; @@ -286,6 +301,7 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb, source_port = dsa_8021q_rx_source_port(vid); switch_id = dsa_8021q_rx_switch_id(vid); skb->priority = (tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; + subvlan = dsa_8021q_rx_subvlan(vid); } else if (is_link_local) { /* Management traffic path. Switch embeds the switch ID and * port ID into bytes of the destination MAC, courtesy of @@ -310,6 +326,9 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb, return NULL; } + if (subvlan) + sja1105_decode_subvlan(skb, subvlan); + return sja1105_rcv_meta_state_machine(skb, &meta, is_link_local, is_meta); } |